<%
            String MM_authorizedUsers = "";
            String MM_authFailedURL = "denegado.jsp";
            boolean MM_grantAccess = false;
            if (session.getAttribute("UserId") != null && !session.getAttribute("UserId").equals("")) {
                if (true || (session.getAttribute("MM_UserAuthorization") == "")
                        || (MM_authorizedUsers.indexOf((String) session.getAttribute("MM_UserAuthorization")) >= 0)) {
                    MM_grantAccess = true;
                }
            }
            if (!MM_grantAccess) {
                response.sendRedirect(response.encodeRedirectURL(MM_authFailedURL));
                return;
            }

            //String seteo_body = " oncontextmenu='return false;' onmousedown='return false;' onselectstart='return false;' ";
            //String seteo_body = " oncontextmenu='return false;' onselectstart='return false;'   ";
            String seteo_body = " ";
%>